.events-index-page {
  width: min(1200px, calc(100% - 2rem));
  margin: 0 auto 2rem;
}

/* The timeline contains interactive layers. Keep the page header above them
   so primary navigation remains available from the Events Index. */
.page-event-timeline .header { z-index: 100; }
.page-event-timeline .site-nav,
.page-event-timeline .site-nav a { position: relative; z-index: 1; pointer-events: auto; }

.events-index-page__header { padding: 2rem 0 1.25rem; }
.events-index-page__title { margin: 0; font-size: clamp(1.6rem, 3.1vw, 2.3rem); color: var(--text); }
.events-index-page__intro { margin: .5rem 0 0; color: var(--text-muted); line-height: 1.55; }
.events-index-toolbar { margin-top: 1.25rem; display: grid; grid-template-columns: minmax(0, 2fr) repeat(3, minmax(145px, 1fr)); gap: 1rem; }
.events-index-field { display: grid; gap: .45rem; }
.events-index-field__label { font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--text-muted); }
.events-index-page input, .events-index-page select { width: 100%; border: 1px solid rgba(255,255,255,.18); border-radius: calc(12px * var(--card-radius-scale)); background: rgba(6,14,26,.92); color: var(--text); padding: .7rem .82rem; }
.events-index-results { margin: 0 0 1rem; color: var(--text-muted); }
.events-index-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1rem; }
.events-index-card { display: block; border: 1px solid rgba(255,255,255,.14); border-radius: calc(16px * var(--card-radius-scale)); background: linear-gradient(180deg, rgba(11,24,40,.95), rgba(7,15,27,.95)); box-shadow: 0 18px 32px rgba(1,9,22,.24); padding: 1rem; color: var(--text); font: inherit; text-align: left; cursor: pointer; text-decoration: none; transition: transform .2s ease, border-color .2s ease; }
.events-index-card:hover, .events-index-card:focus-visible { border-color: rgba(120,226,255,.66); transform: translateY(-2px); }
.events-index-page .research-case-card__title { margin: 0; font-size: 1rem; }
.events-index-card__title { margin: 0; font-size: 1rem; }
.events-index-card__meta { margin: .5rem 0 0; color: var(--text-muted); font-size: .82rem; }
.events-index-card__summary { margin: .75rem 0 0; color: var(--text-muted); font-size: .85rem; line-height: 1.45; }
.events-index-card__chips { margin-top: .8rem; display: flex; flex-wrap: wrap; gap: .45rem; }
.events-index-card__chips span { border: 1px solid rgba(255,255,255,.14); border-radius: 999px; padding: .2rem .58rem; font-size: .72rem; color: var(--text-muted); }
.events-index-empty { color: var(--text-muted); }
.events-drawer-overlay { position: fixed; inset: 0; background: rgba(7,9,14,.55); opacity: 0; pointer-events: none; transition: opacity .22s ease; z-index: 40; }
.events-drawer-overlay.is-open { opacity: 1; pointer-events: auto; }
.events-drawer { position: fixed; top: 0; right: 0; height: 100vh; width: min(760px,100%); border-left: 1px solid rgba(255,255,255,.16); background: rgba(10,12,16,.96); transform: translateX(102%); transition: transform .3s ease; z-index: 50; display: grid; grid-template-rows: auto 1fr; }
.events-drawer.is-open { transform: translateX(0); }
.events-drawer-open { overflow: hidden; }
.events-drawer__header { display: flex; justify-content: space-between; align-items: center; gap: .75rem; padding: 1rem 1.25rem; border-bottom: 1px solid rgba(255,255,255,.16); }
.events-drawer__title { margin: 0; font-size: 1.1rem; }
.events-drawer__close { width: 36px; height: 36px; border-radius: 50%; border: 1px solid rgba(255,255,255,.16); background: rgba(255,255,255,.05); color: var(--text); font-size: 1.3rem; cursor: pointer; }
.events-drawer__content { overflow: auto; padding: 1.25rem; display: grid; gap: 1.25rem; }
.events-drawer-meta { margin: 0; color: var(--text-muted); font-size: .85rem; }
.events-drawer-summary, .events-drawer-section p { line-height: 1.55; color: var(--text-muted); }
.events-drawer-section { border-top: 1px solid rgba(255,255,255,.1); padding-top: .9rem; }
.events-drawer-section h3 { margin: 0 0 .55rem; font-size: 1rem; }
.events-drawer-list { margin: 0; padding-left: 1.15rem; display: grid; gap: .45rem; color: var(--text-muted); }
.events-drawer-sources a { color: var(--accent); }
.events-drawer-actions { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: .8rem; }
.events-drawer-button { display: inline-flex; align-items: center; justify-content: center; border: 1px solid rgba(114,216,255,.52); border-radius: 999px; background: rgba(114,216,255,.12); color: #d9f8ff; text-decoration: none; text-transform: uppercase; letter-spacing: .07em; font-size: .74rem; font-weight: 700; padding: .58rem .92rem; }
.events-drawer-related { display: flex; flex-wrap: wrap; gap: .5rem; }
.events-drawer-related button { border: 1px solid rgba(114,216,255,.35); border-radius: 999px; background: rgba(114,216,255,.08); color: #d9f8ff; cursor: pointer; padding: .45rem .65rem; text-align: left; }
@media (max-width: 900px) { .events-index-toolbar { grid-template-columns: 1fr; } }